Which of these statements about hypertension
is false?
a. Blood pressure remains above 140/90 even
at rest.
b. Poor diet and lack of regular exercise puts
one at increased risk.
c. It may contribute to atherosclerosis.
d. Most Americans with the disorder seek
treatment.
e. It tends to run in families
D
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You have spent time working with a population of beetles. Males range in size from 2-6 cm in length. You realize that the females only mate with males that measure less than 3 cm long
If you measured allele frequencies at a single locus that contributes to overall length, would you expect this population to be in H-W equilibrium from one generation to the next? A. yes B. no
If the histones are rearranged to control access to a gene, this is called
a. transcription. b. chromatin remodeling. c. DNA condensation. d. remodeling complex formation. e. acetylation.
Root hairs are similar to mycorrhizae in that both
a. are multicellular. b. are extensions of root epidermal cells. c. are symbiotic relationships involving root cells. d. increase the surface area available for absorption. e. fit all of these descriptions.
Which of the following matches of plant hormone to
agricultural application is INCORRECT? a. abscisic acid; induces dormancy in nursery stock before shipment b. ethylene; permits unripe fruit to be shipped without damage for later ripening at distribution centers c. synthetic auxins; induce production of seedless fruit d. cytokinins; promote root formation in cuttings e. gibberellins; increase fruit size